Physics, 23.01.2020 17:31 emmacox069
Suppose a scientist found a new matal-like substance in the desert. he determined its mass to be 20 grams. the volume was determined by water displacement to be 5 cm^3. what is the density of the substance? will it sink or float in liquid water ( 1g/cm^3)?
Answers: 3
Physics, 22.06.2019 06:20
Three charge are arranged as shown in the diagram. the magnitude of the net electrical force acting on the +6 uc charge, rounded to the tenths place, is .
Answers: 1
Physics, 22.06.2019 06:30
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
Physics, 22.06.2019 18:00
Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
Answers: 1
Suppose a scientist found a new matal-like substance in the desert. he determined its mass to be 20...
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